| Primary address | 510 Split Rock Road, Syosset |
| Zip code | 11791 |
| County | Nassau |
| Town/City | Oyster Bay |
| Village (swiss code) | Oyster Bay Cove |
| Parcel ID | 25-B-597 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 7,911 |
| Building class | Town (652.71) |
| Land | Primary site |
| Topography | Level |
| Acreage | 24.5 |
| Buildings on lot | 3 |
| Year built | 1928 |
| Stories | 2 |
| Style | Mansion, Estate |
| Rooms | 25 |
| Bathrooms | 8 |
| Half bathrooms | 1 |
| Attic | None |
| Basement | 3/4 Bsmt |
| Exterior wall | Frame |
| Heating type | Central |
| Heating system | Steam and vapor |
| Fireplace | 6 |
| School district | Syosset |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
510 Split Rock Road, Syosset, NY 11791 was built in 1928 and has a total of 7,911 square feet.
What is the assessed value of 510 Split Rock Road, Syosset, NY 11791?The assessed market value for the current tax year is $5,134.
When was 510 Split Rock Road, Syosset, NY 11791 last sold and what was the last sale price?510 Split Rock Road, Syosset, NY 11791 was last sold in 10/04/2007 for $5,800,000.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 510 Split Rock Road, Syosset, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 10/04/2007 | $5,800,000 | Register | Register |
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 510 Split Rock Road, Syosset, NY 11791. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $0 |
| Tax class | Register |
| Market value | $5,134,000 |
| Assessed value | $5,134 |
Here's the assessment & property tax history for 510 Split Rock Road, Syosset, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|---|
| 2026 | $5,134,000 | $5,134 | n/a | ||
| 2025 | $5,134,000 | $5,134 | n/a | ||
| 2024 | $5,134,128 | $5,134 | 2791.809 | $143,331 | n/a |
| 2023 | $5,134,000 | $5,134 | n/a | ||
| 2022 | $5,134,000 | $5,134 | n/a |
The complete history of permits filed for 510 Split Rock Road, Syosset, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Create a free account to unlock extended information for 510 Split Rock Road, Syosset, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
Access the detailed traffic volume map for 510 Split Rock Road, Syosset to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Vernon School | 6 | Public | 3-6 | 434 | 0.97 |
| East Woods School | NR | Private | PK, K-8 | 226 | 1.25 |
| East Woods School | NR | Private | PK, K-8 | 226 | 1.25 |
| Berry Hill Elementary School | 8 | Public | K-5 | 450 | 1.55 |
| St Dominic High School | NR | Private | PK-12 | 603 | 1.69 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Harmony Heights School | NR | Private | 8-12 | 74 | 0.78 |
| Harmony Heights School | NR | Private | 8-12 | 0 | 0.78 |
| East Woods School | NR | Private | PK, K-8 | 226 | 1.25 |
| St Dominic High School | NR | Private | PK-12 | 603 | 1.69 |
| St Dominic Elementary School | NR | Private | PK-8 | 218 | 1.84 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Harmony Heights School | NR | Private | 8-12 | 74 | 0.78 |
| Harmony Heights School | NR | Private | 8-12 | 0 | 0.78 |
| St Dominic High School | NR | Private | PK-12 | 603 | 1.69 |
| Oyster Bay High School | 7 | Public | 9-12 | 415 | 1.88 |
| Syosset Senior High School | 10 | Public | 9-12 | 2,266 | 2.18 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 510 Split Rock Road, Syosset.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 5 Twin Ponds Ln, Syosset | 4,459 | 07/28/2005 | $1,375,000 |
| 420 Annandale Dr, Syosset | 4,841 | 09/21/2001 | $1,155,000 |
| 410 Annadale Dr, Syosset | 4,825 | 10/05/1999 | $975,000 |
| 495 Berry Hill Rd, Syosset | 1,703 | 05/16/2002 | $600,000 |
| 25 Twin Ponds Ln, Syosset | 3,342 | 06/01/2023 | $1,600,000 |
| 460 Annadale Dr, Syosset | 5,385 | 04/28/2021 | $1,625,000 |
| 75 Twin Ponds Ln, Syosset | 4,614 | 11/24/2017 | |
| 50 Twin Ponds Ln, Syosset | 4,041 | 03/11/2005 | $1,399,500 |
| 440 Annandale Dr, Syosset | 4,119 | 09/30/2019 | |
| 10 Twin Ponds Ln, Syosset | 3,258 | 01/28/1999 | $720,000 |
| 460 Split Rock Rd, Syosset | 9,333 | 07/29/2018 | |
| 470 Annandale Dr, Syosset | 5,555 | 02/26/2020 | $1,590,000 |
| 80 Twin Ponds Ln, Syosset | 7,799 | 02/09/2017 | $1,925,000 |
| 15 Twin Ponds Ln, Syosset | 3,889 | 01/28/2022 | $1,448,000 |
| 450 Annandale Dr, Syosset | 4,121 | 09/16/2020 | $1,590,000 |
| 430 Annandale Dr, Syosset | 4,594 | 07/17/2006 | $2,350,000 |
| 6820 N Hempstead Tpke, Syosset | 3,733 | 01/09/2026 | $1,500,000 |
| 485 Berry Hill Rd, Syosset | 2,849 | 05/05/1993 | |
| 470 Split Rock Rd, Syosset | 3,780 | 07/02/2004 | |
| 60 Twin Ponds Ln, Syosset | 7,153 | 10/04/2021 | $3,350,000 |